CN212647060U - Wavelength division multiplexer of half ceramic and half glass structure - Google Patents
Wavelength division multiplexer of half ceramic and half glass structure Download PDFInfo
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- CN212647060U CN212647060U CN202021943645.6U CN202021943645U CN212647060U CN 212647060 U CN212647060 U CN 212647060U CN 202021943645 U CN202021943645 U CN 202021943645U CN 212647060 U CN212647060 U CN 212647060U
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Abstract
The utility model relates to a WDM device makes technical field, is a wavelength division multiplexer of half ceramic half glass structure, has the sleeve, is equipped with single core fiber collimator and two core fiber optic reflectors in the sleeve, especially: the single-core contact pin in the single-core optical fiber collimator and the double-core contact pin in the double-core optical fiber reflecting piece are made of ceramic capillary tubes, and the wavelength division multiplexer, the single-core optical fiber collimator and the sleeve in the double-core optical fiber reflecting piece are made of glass materials; the utility model discloses structurally from the WDM device, the capillary that is about to single core lock pin and two core lock pins adopts ceramic material, has solved the reliability and the stability problem of WDM device, simultaneously because of ceramic capillary's use, the WDM product production simple process of production, production efficiency is high, and the cost of manufacture is low, has improved the product quality and the market competition of WDM device.
Description
Technical Field
The utility model relates to a wavelength division multiplexer makes technical field, specifically is a wavelength division multiplexer of half ceramic and half glass structure.
Background
WDM is also called wavelength division multiplexer, and is mainly a technology that combines optical carrier signals (carrying various information) with two or more different wavelengths together at a transmitting end through a multiplexer and couples the optical carrier signals to the same optical fiber of an optical line for transmission; at the receiving end, the optical carriers of the various wavelengths are separated by a demultiplexer and then further processed by an optical receiver to recover the original signal.
The main structure of the traditional WDM (wavelength division multiplexer) is that all materials are made of high borosilicate glass, and because the glass is fragile and has low production precision, the variation of light beams is easy to generate, and the homocentric degree is poor. In addition, the key material structure is that the glass material is easy to expand and change when being affected by peripheral cold and heat, and finally, the instability of the product during signal transmission is caused.
In view of the fact that WDM devices are mainly used in the fields of telecommunications carriers, broadcasting and television, electric power, and information security, WDM devices are required to have high reliability and stability of transmission signals. Therefore, the conventional WDM device with an all-glass structure needs to be improved in structure to improve the stability and reliability of the product.
Therefore, the research and development of a WDM device with more reliable material, more reasonable structure and lower cost can meet or even exceed the performance of the existing WDM product, and becomes a problem to be solved urgently in the industry.
Disclosure of Invention
The utility model discloses an aim at is exactly to wavelength division multiplexer all adopts full glass material to make in the present trade, and glass material easily produces the inflation change when receiving the cold and hot influence of periphery, and the problem of the instability when finally causing product signal transmission provides a wavelength division multiplexer of half ceramic glass structure.
The technical scheme of the utility model is that: a wavelength division multiplexer of semi-ceramic and semi-glass construction having a sleeve housing a single core optical fiber collimator and a dual core optical fiber reflector, in particular: the single-core contact pin in the single-core optical fiber collimator and the double-core contact pin in the double-core optical fiber reflecting piece are made of ceramic capillary tubes, and the wavelength division multiplexer, the single-core optical fiber collimator and the sleeve in the double-core optical fiber reflecting piece are made of glass materials.
The wavelength division multiplexer is any one of CWDM, DWDM, LWDM, MWDM and FWDM.
The tube hole of the ceramic capillary tube is a round or rectangular or square hole.
The utility model discloses a wavelength division multiplexer of half ceramic half glass structure, its preparation method comprises following step in proper order:
(1) bonding the membranes: placing the filter on the plane of the G lens, dispensing a circle of ultraviolet glue at the joint of the filter and the G lens, and curing by an ultraviolet lamp with the curing power of 1.5W/cm2；
(2) Reflection debugging: inserting optical fiber into the ceramic ferrule, dispensing 353 glue on the outer wall of the ceramic ferrule, bonding the glass sleeve and the ceramic ferrule into a whole, heating and curing, debugging the ceramic ferrule with the glass sleeve, the bonded G lens and the bonded filter plate through debugging equipment, adjusting the insertion loss of the optical fiber to be below 0.20dB, dispensing 1W/cm ultraviolet glue on the contact surface of the G lens and the ceramic ferrule, and baking and curing by using an ultraviolet lamp, wherein the baking and curing power of the ultraviolet lamp is 1.5W/cm2；
(3) Transmission debugging: debugging a double-core optical fiber reflecting piece and a single-core optical fiber collimator through debugging equipment, adjusting the optical fiber insertion loss to be below 0.30dB, penetrating a glass sleeve outside the double-core optical fiber reflecting piece and the single-core optical fiber collimator, debugging again to adjust the transmission insertion loss to be below 0.35dB, respectively dotting ultraviolet glue at the joint of the glass sleeve and the double-core optical fiber reflecting piece as well as the single-core optical fiber collimator, baking and curing by using an ultraviolet lamp, wherein the baking and curing power of the ultraviolet lamp is 1.5W/cm2And marking the light incidence end to obtain the product.
The utility model relates to a semi-ceramic structure's among the optical communication WDM device series devices such as CWDM, DWDM, LWDM, MWDM, FWDM. The product structure design adopts single-core pins made of ceramic materials and double-core pins made of ceramic materials, and materials such as a glass tube, a C lens, a G lens, an optical filter and the like are added to manufacture the WDM device. Design half ceramic material's wavelength division multiplexer lies in ceramic material structure's single core contact pin and ceramic structure's two core contact pins, and in the device manufacture process, performance index debugging is efficient, and index parameter is better, and ceramic material wearability is high simultaneously, and expend with heat and contract with cold coefficient is little, product stability is high, and is with low costs.
The utility model discloses structurally from the device, the capillary that is about to single core lock pin and two core lock pins adopts ceramic material, has solved the reliability and the stability problem of WDM device, simultaneously because of ceramic capillary's use, the WDM product production simple process of production, production efficiency is high, and the cost of manufacture is low, has improved the product quality and the market competition of WDM device.
Drawings
FIG. 1 is a schematic view of a half-section structure of embodiment 1 of the present invention;
in the figure, 1-sleeve, 2-single core optical fiber collimator, 3-double core optical fiber reflector, 4-single core contact pin, 5-double core contact pin.
Detailed Description
Example 1
Referring to fig. 1, a wavelength division multiplexer of a semi-ceramic and semi-glass structure has a sleeve 1 in which a single-core optical fiber collimator 2 and a double-core optical fiber reflector 3 are installed, and in particular: the capillary that single core contact pin 4 in single core fiber collimator 2 and two core contact pins 5 in two core fiber reflector 3 used all adopts ceramic capillary, and the sleeve 1 that adopts in wavelength division multiplexer, single core fiber collimator and the two core fiber reflector all adopts the glass material to make.
In this embodiment, the wavelength division multiplexer is a CWDM.
The tube hole of the ceramic capillary tube in the single-core optical fiber collimator is a circular hole, and the diameter of the ceramic capillary tube is 0.125 mm.
The double-core optical fiber reflection inner optical fiber is a double-core optical fiber, the tube hole of the ceramic capillary tube is a circular hole, and the diameter of the ceramic capillary tube is 0.25 mm.
The wavelength division multiplexer of the embodiment can also be used for manufacturing DWDM, LWDM, MWDM and FWDM, and only needs to replace corresponding filters.
Claims (2)
1. The utility model provides a wavelength division multiplexer of half glass structure of half ceramic, has the sleeve, is equipped with single core fiber collimator and two core fiber optic reflectors in the sleeve, its characterized in that: the single-core contact pin in the single-core optical fiber collimator and the double-core contact pin in the double-core optical fiber reflecting piece are made of ceramic capillary tubes, and the wavelength division multiplexer, the single-core optical fiber collimator and the sleeve in the double-core optical fiber reflecting piece are made of glass materials.
2. A wavelength division multiplexer of a semi-ceramic and semi-glass structure according to claim 1, wherein: the wavelength division multiplexer is any one of CWDM, DWDM, LWDM, MWDM and FWDM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021943645.6U CN212647060U (en) | 2020-09-08 | 2020-09-08 | Wavelength division multiplexer of half ceramic and half glass structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021943645.6U CN212647060U (en) | 2020-09-08 | 2020-09-08 | Wavelength division multiplexer of half ceramic and half glass structure |
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| CN212647060U true CN212647060U (en) | 2021-03-02 |
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| CN202021943645.6U Active CN212647060U (en) | 2020-09-08 | 2020-09-08 | Wavelength division multiplexer of half ceramic and half glass structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236802A (en) * | 2022-07-14 | 2022-10-25 | 厦门贝莱信息科技有限公司 | Manufacturing process of wavelength division multiplexing assembly with connector |
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2020
- 2020-09-08 CN CN202021943645.6U patent/CN212647060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236802A (en) * | 2022-07-14 | 2022-10-25 | 厦门贝莱信息科技有限公司 | Manufacturing process of wavelength division multiplexing assembly with connector |
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